diff --git a/source/dnode/vnode/src/tsdb/tsdbSnapshot.c b/source/dnode/vnode/src/tsdb/tsdbSnapshot.c
index 3dcbe261ba..8be4904349 100644
--- a/source/dnode/vnode/src/tsdb/tsdbSnapshot.c
+++ b/source/dnode/vnode/src/tsdb/tsdbSnapshot.c
@@ -155,7 +155,7 @@ static int32_t tsdbSnapReadOpenFile(STsdbSnapReader* pReader) {
 
         if (rowVer >= pReader->sver && rowVer <= pReader->ever) {
           pIter->rInfo.suid = pIter->bData.suid;
-          pIter->rInfo.uid = pIter->bData.uid;
+          pIter->rInfo.uid = pIter->bData.uid ? pIter->bData.uid : pIter->bData.aUid[pIter->iRow];
           pIter->rInfo.row = tsdbRowFromBlockData(&pIter->bData, pIter->iRow);
           goto _add_iter;
         }